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grunt: Reduce USB-C source current to 1.5A

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Grunt and Careena hardware does not support sourcing 3A over USB-C
so reduce what we advertise to 1.5A.

BUG=b:78908554
BRANCH=none
TEST=Grunt advertises 1.5A Source Cap on both ports

Change-Id: Ifd3ddf45445ae69c5988dee4f66f21056b4b0f96
Signed-off-by: Edward Hill <ecgh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1077096
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
This commit is contained in:
Edward Hill
2018-05-29 10:17:51 -06:00
committed by chrome-bot
parent 5a23e3f49a
commit cd5e7cbeb1
2 changed files with 0 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
baseboard/grunt/baseboard.h
View File

@@ -90,7 +90,6 @@
#define CONFIG_USB_PD_DUAL_ROLE
#define CONFIG_USB_PD_DUAL_ROLE_AUTO_TOGGLE
#define CONFIG_USB_PD_LOGGING
#define CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT TYPEC_RP_3A0
#define CONFIG_USB_PD_PORT_COUNT 2
#define CONFIG_USB_PD_TCPC_LOW_POWER
#define CONFIG_USB_PD_TCPM_ANX3429

20
baseboard/grunt/usb_pd_policy.c
View File

@@ -23,15 +23,10 @@
#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP |\
PDO_FIXED_COMM_CAP)
/* TODO(ecgh): fill in correct source and sink capabilities */
const uint32_t pd_src_pdo[] = {
PDO_FIXED(5000, 1500, PDO_FIXED_FLAGS),
};
const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo);
const uint32_t pd_src_pdo_max[] = {
PDO_FIXED(5000, 3000, PDO_FIXED_FLAGS),
};
const int pd_src_pdo_max_cnt = ARRAY_SIZE(pd_src_pdo_max);
const uint32_t pd_snk_pdo[] = {
PDO_FIXED(5000, 500, PDO_FIXED_FLAGS),
@@ -127,11 +122,6 @@ void pd_power_supply_reset(int port)
if (prev_en)
pd_set_vbus_discharge(port, 1);
#ifdef CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT
/* Give back the current quota we are no longer using */
charge_manager_source_port(port, 0);
#endif /* defined(CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT) */
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
}
@@ -152,11 +142,6 @@ int pd_set_power_supply_ready(int port)
if (rv)
return rv;
#ifdef CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT
/* Ensure we advertise the proper available current quota */
charge_manager_source_port(port, 1);
#endif /* defined(CONFIG_USB_PD_MAX_SINGLE_SOURCE_CURRENT) */
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
@@ -168,11 +153,6 @@ void pd_transition_voltage(int idx)
/* No-operation: we are always 5V */
}
void typec_set_source_current_limit(int port, int rp)
{
ppc_set_vbus_source_current_limit(port, rp);
}
int pd_snk_is_vbus_provided(int port)
{
return ppc_is_vbus_present(port);